About: http://webisa.webdatacommons.org/18770718

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Electromagnetic waves such as light, x-rays, and radio waves are classified by their frequency or wavelength.
http://www.w3.org/ns/prov#wasQuotedFrom	danpatterson.com